/* Training Center Portal - Custom CSS */

:root {
    --primary-color: #2C3E50;
    --secondary-color: #3498DB;
    --accent-color: #E74C3C;
    --success-color: #27AE60;
    --warning-color: #F39C12;
    --dark-color: #1A252F;
    --light-color: #ECF0F1;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f8f9fa;
}

/* Navbar Styling */
.navbar {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    padding: 1rem 0;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.navbar-brand {
    font-size: 1.5rem;
    font-weight: bold;
    color: #fff !important;
}

.navbar-nav .nav-link {
    color: rgba(255,255,255,0.9) !important;
    margin: 0 0.5rem;
    transition: color 0.3s ease;
}

.navbar-nav .nav-link:hover {
    color: #fff !important;
}

/* Hero Section */
.hero-section {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    padding: 100px 0;
    text-align: center;
}

.hero-section h1 {
    font-size: 3rem;
    font-weight: bold;
    margin-bottom: 1rem;
}

.hero-section p {
    font-size: 1.3rem;
    margin-bottom: 2rem;
}

/* Card Styling */
.course-card {
    border: none;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    margin-bottom: 30px;
    overflow: hidden;
}

.course-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.15);
}

.course-card img {
    height: 200px;
    object-fit: cover;
}

.course-card .card-body {
    padding: 1.5rem;
}

.course-card .card-title {
    color: var(--primary-color);
    font-weight: bold;
    font-size: 1.3rem;
}

.course-card .badge {
    font-size: 0.9rem;
    padding: 0.5rem 1rem;
}

/* Button Styling */
.btn-primary {
    background: var(--secondary-color);
    border: none;
    padding: 0.7rem 2rem;
    border-radius: 5px;
    transition: all 0.3s ease;
}

.btn-primary:hover {
    background: #2980B9;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(52,152,219,0.3);
}

.btn-success {
    background: var(--success-color);
    border: none;
}

.btn-success:hover {
    background: #229954;
}

.btn-danger {
    background: var(--accent-color);
    border: none;
}

.btn-danger:hover {
    background: #C0392B;
}

/* Features Section */
.features-section {
    padding: 80px 0;
    background-color: #fff;
}

.feature-box {
    text-align: center;
    padding: 2rem;
    border-radius: 10px;
    transition: all 0.3s ease;
}

.feature-box:hover {
    background-color: var(--light-color);
    transform: translateY(-5px);
}

.feature-box i {
    font-size: 3rem;
    color: var(--secondary-color);
    margin-bottom: 1rem;
}

.feature-box h4 {
    color: var(--primary-color);
    font-weight: bold;
    margin-bottom: 1rem;
}

/* Stats Section */
.stats-section {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    padding: 60px 0;
}

.stat-box {
    text-align: center;
    padding: 2rem;
}

.stat-box h2 {
    font-size: 3rem;
    font-weight: bold;
    margin-bottom: 0.5rem;
}

.stat-box p {
    font-size: 1.2rem;
}

/* Courses Section */
.courses-section {
    padding: 80px 0;
    background-color: #f8f9fa;
}

.section-title {
    text-align: center;
    margin-bottom: 3rem;
}

.section-title h2 {
    font-size: 2.5rem;
    color: var(--primary-color);
    font-weight: bold;
    margin-bottom: 1rem;
}

.section-title p {
    font-size: 1.1rem;
    color: #666;
}

/* Contact Section */
.contact-section {
    padding: 80px 0;
    background-color: #fff;
}

.contact-info {
    background-color: var(--light-color);
    padding: 2rem;
    border-radius: 10px;
    height: 100%;
}

.contact-info h4 {
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.contact-info p {
    margin-bottom: 1rem;
}

.contact-info i {
    color: var(--secondary-color);
    margin-right: 0.5rem;
}

/* Footer */
footer {
    background-color: var(--dark-color);
    color: white;
    padding: 40px 0 20px;
}

footer h5 {
    color: var(--secondary-color);
    margin-bottom: 1rem;
}

footer a {
    color: rgba(255,255,255,0.7);
    text-decoration: none;
    transition: color 0.3s ease;
}

footer a:hover {
    color: white;
}

.social-links a {
    display: inline-block;
    width: 40px;
    height: 40px;
    background-color: var(--secondary-color);
    color: white;
    text-align: center;
    line-height: 40px;
    border-radius: 50%;
    margin-right: 10px;
    transition: all 0.3s ease;
}

.social-links a:hover {
    background-color: white;
    color: var(--secondary-color);
}

/* Form Styling */
.form-control:focus {
    border-color: var(--secondary-color);
    box-shadow: 0 0 0 0.2rem rgba(52,152,219,0.25);
}

.form-label {
    font-weight: 600;
    color: var(--primary-color);
}

/* Login/Register Pages */
.auth-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
}

.auth-card {
    background: white;
    border-radius: 10px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.2);
    padding: 3rem;
    max-width: 500px;
    margin: 0 auto;
}

.auth-card h2 {
    color: var(--primary-color);
    margin-bottom: 2rem;
    text-align: center;
}

/* Dashboard Styling */
.dashboard-card {
    border: none;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    margin-bottom: 2rem;
    transition: transform 0.3s ease;
}

.dashboard-card:hover {
    transform: translateY(-5px);
}

.dashboard-card .card-body {
    padding: 2rem;
}

.dashboard-card h3 {
    font-size: 2.5rem;
    font-weight: bold;
    margin-bottom: 0.5rem;
}

.dashboard-card i {
    font-size: 3rem;
    opacity: 0.3;
}

.bg-primary-gradient {
    background: linear-gradient(135deg, #3498DB, #2980B9);
    color: white;
}

.bg-success-gradient {
    background: linear-gradient(135deg, #27AE60, #229954);
    color: white;
}

.bg-warning-gradient {
    background: linear-gradient(135deg, #F39C12, #E67E22);
    color: white;
}

.bg-danger-gradient {
    background: linear-gradient(135deg, #E74C3C, #C0392B);
    color: white;
}

/* Table Styling */
.table {
    background-color: white;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.table thead {
    background-color: var(--primary-color);
    color: white;
}

.table tbody tr:hover {
    background-color: var(--light-color);
}

/* Sidebar */
.sidebar {
    background-color: var(--dark-color);
    min-height: 100vh;
    padding: 2rem 0;
}

.sidebar .nav-link {
    color: rgba(255,255,255,0.7);
    padding: 1rem 2rem;
    transition: all 0.3s ease;
}

.sidebar .nav-link:hover,
.sidebar .nav-link.active {
    background-color: var(--secondary-color);
    color: white;
}

.sidebar .nav-link i {
    margin-right: 0.5rem;
}

/* Responsive */
@media (max-width: 768px) {
    .hero-section h1 {
        font-size: 2rem;
    }
    
    .hero-section p {
        font-size: 1rem;
    }
    
    .section-title h2 {
        font-size: 2rem;
    }
    
    .sidebar {
        min-height: auto;
    }
}

/* Utilities */
.text-primary-custom {
    color: var(--primary-color) !important;
}

.text-secondary-custom {
    color: var(--secondary-color) !important;
}

.bg-light-custom {
    background-color: var(--light-color) !important;
}

.shadow-custom {
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}

/* Loading Spinner */
.spinner-border-custom {
    width: 3rem;
    height: 3rem;
    border-width: 0.3rem;
}